The result got from the iron smelting test in cupolafurnace shows that the coke briquettes can be used as foundry coke.
冲天炉熔炼化铁试验结果表明，该型焦可以作为铸造焦炭使用。
2
The safety of production can be assured by installation of a balance safety valve at the top of the stack over the cupolafurnace.
在冲天炉上部烟囱顶端设安全平衡盖板，以保证生产的正常进行；
3
The furnace adopts the following scheme that: (1)cutting down all hot air cupola furnaces below 5 tons to transform furnace bodies, and reconstructing a large furnace;